Eaton / Cutler-Hammer LGE3400FAG Molded Case Circuit Breaker
- 400A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer LGE3400FAG - 400A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for heavy-duty power distribution, the Eaton LGE3400FAG is a 400-amp, 3-pole molded case circuit breaker. As part of the LG-frame lineup, it utilizes a thermal-magnetic trip unit with adjustable magnetic settings to provide precise LI protection. Designed for unit mounting, this breaker fits Eaton Series G panelboards and switchboards. With an interrupting capacity of 35 kAIC at 480VAC, this current-limiting breaker ensures rapid fault clearing and is fully HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | LGE3400FAG |
| Series | LGE |
| Amperage | 400A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | LG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | (2) 2 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 2 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High-Speed Blow-Open Action, 80% Rated |
Product FAQs
8 answersWhat enclosures or panelboards are compatible with the LGE3400FAG?
This LG-frame breaker is designed for use in Eaton Series G panelboards, switchboards, and motor control centers.
What is the wire size range for the standard lugs on this breaker?
The standard line and load lugs accept two 2 AWG to 500 kcmil copper or aluminum conductors per phase.
How is the trip unit configured on the LGE3400FAG?
It features a thermal-magnetic trip unit with fixed thermal (long-time) and adjustable magnetic (instantaneous) settings.
What does the "FAG" suffix indicate in the LGE3400FAG catalog number?
The "FA" indicates a fixed thermal and adjustable magnetic trip unit. The "G" denotes that standard line and load terminals are included.
Is this breaker rated for DC applications?
Yes, the LGE3400FAG is rated for up to 250VDC with an interrupting capacity of 22kAIC.
How is the LGE3400FAG mounted?
It is a unit-mount breaker, typically installed via panel mounting in switchboards or control panels.
What is the difference between Eaton LGE and LGS frames?
Both are Eaton Series G LG-frame breakers, but they have different interrupting ratings. The LGE is rated 35kAIC at 480VAC, while the LGS is rated 50kAIC at 480VAC.
Are internal accessories field-installable on the LGE3400FAG?
Yes, Eaton Series G LG-frame breakers support field-installable internal accessories such as auxiliary switches, shunt trips, and undervoltage releases.
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